Texas Instruments TSC2301EVM Evaluation Module TSC2301EVM TSC2301EVM 데이터 시트

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TSC2301EVM
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I/O Connector and Signals
3-5
Operation
3.2.6
Audio Data (I
2
S) Connector
The I
2
S bus, which carries audio data to and from the TSC2301, is brought out
to header J10.
Table  3-7. Audio Data Connector
Reference
Designator
Description
Pin
Number
Signal Name
1
MCLK
3
BCLK
5
LRCLK
J10
Audio Data (I
2
S) connector
7
I2SDIN
9
I2SDOUT
2,4,6,8,10
Ground
3.2.7
External SPI Connector
The TSC2301 SPI port is brought out to the J11 header. It may be driven by
an external source if the onboard microprocessor is disabled by powering up
with the A1 select jumper (JMP6) removed.
Table  3-8. External SPI Connector
Reference
Designator
Description
Pin
Number
Signal
Name
Function
1
NC
Not connected
3
SS
Slave select for SPI bus.
5
SCLK
Serial clock for SPI bus.
J11
External SPI Bus
7
MOSI
Master out, slave in data line for SPI bus. Data
travels to the TSC2301 over this line.
9
MISO
Master in, slave out data line for SPI bus. Data
travels from the TSC2301 over this line.
2, 4, 6, 8,
10
GND
Ground
3.2.8
Touch Screen Connectors
A 4-wire touch screen connects to the motherboard through connector J13.
This connector is standard on 3M Touch Systems (formerly MicroTouch)
TouchTek 4 touch screens. A standard terminal block connection is available
on J12 for those users who have touch screen connectors that do not match
the J13 configuration.